Re: linux-next: Tree for May 25 (kernel/power, SUSPEND=n)

[Randy Dunlap]

On 05/25/10 12:24, Rafael J. Wysocki wrote:
> On Tuesday 25 May 2010, Randy Dunlap wrote:
>> On Tue, 25 May 2010 14:26:57 +1000 Stephen Rothwell wrote:
>>
>>> Hi all,
>>>
>>> We are in the merge window again.  I remind you all not to add stuff for
>>> 2.6.36 to your linux-next trees until after 2.6.35-rc1.
>>
>>
>> when CONFIG_SUSPEND=n, CONFIG_OPPORTUNISTIC_SUSPEND=n, CONFIG_PM=y:
>>
>> kernel/power/main.c:66: error: 'pm_states' undeclared (first use in this function)
> 
> Thanks, the patch below fixes this.
> 
> Rafael
> 
> ---
> From: Rafael J. Wysocki <rjw@xxxxxxx>
> Subject: PM: Fix build with CONFIG_SUSPEND unset
> 
> If CONFIG_SUSPEND is unset, pm_state_valid() doesn't build because
> the pm_states[] array is not defined, but pm_state_valid() is only
> used under #ifdef CONFIG_SUSPEND, so don't try to build it if
> CONFIG_SUSPEND is unset.
> 
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>

Acked-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>

Thanks.


> ---
>  kernel/power/main.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> Index: linux-2.6/kernel/power/main.c
> ===================================================================
> --- linux-2.6.orig/kernel/power/main.c
> +++ linux-2.6/kernel/power/main.c
> @@ -61,10 +61,12 @@ static inline int pm_enter_state(int sta
>  
>  static inline bool hibernation_supported(void) { return true; }
>  
> +#ifdef CONFIG_SUSPEND
>  static inline bool pm_state_valid(int state_idx)
>  {
>  	return pm_states[state_idx] && valid_state(state_idx);
>  }
> +#endif /* CONFIG_SUSPEND */
>  
>  static inline int pm_enter_state(int state_idx)
>  {


-- 
~Randy
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